Furan-based liquid-crystalline small-molecule donor guest improving the photovoltaic performance of organic solar cells with amorphous packing

作     者：Yuchen Yue Bing Zheng Mengdi Liu Yujie Chen Lijun Huo Jingxia Wang Lei Jiang 岳钰琛;郑冰;刘梦迪;陈雨洁;霍利军;王京霞;江雷

作者机构：CAS Key Laboratory of Bioinspired Smart Interfacial Science Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190China School of ChemistryBeihang UniversityBeijing 100190China School of Future TechnologyUniversity of Chinese Academy of Sciences(UCAS)Beijing 100049China Ji Hua LaboratoryFoshan 528000China 

基　　金：the Ministry of Science and Technology of China(2017YFA0204504) the National Natural Science Foundation of China(51873221,52073292,51673207,21774003,and 51373183) Chinese Academy of Sciences and Dutch Research Project(1A111KYSB20190072) Beijing Municipal Science&Technology Commission(Z181100004418012) Beijing Natural Science Foundation(2212032) 

出 版 物：《Science China Materials》 (中国科学（材料科学（英文版）)

年 卷 期：2022年第65卷第12期

页      码：3402-3410页

摘      要：Introducing liquid-crystalline small-molecule donors(SMDs)into binary systems based on the strong intermolecular interactions of SMDs is a facile and effective strategy to tune the active layer morphology and improve the performance of organic solar cells(OSCs).Contrary to conventional understanding,this research proposes a new strategy for ternary OSCs implicating that"weakly crystalline materials can also optimize the morphology of the active layer and improve the OSCs performance".Herein,we designed and synthesized two liquid-crystalline SMDs,Z1 and Z2,based on benzodifuran(BDF)*** amorphous Z2-incorporated ternary devices present an unexpectedly improved power conversion efficiency(PCE)>18%with good *** contrast,the highly ordered Z1-based ternary devices possess a significantly depressed *** characterizations reveal that the Z2-based ternary blend films possess improved miscibility and efficient charge *** novel strategy for the selection of the third component is significant for the fabrication of high-efficiency ternary OSCs.

主 题 词：small-molecule donor organic solar cells liquid crystal active layer morphology 

学科分类：07[理学] 070205[070205] 08[工学] 080501[080501] 0805[工学-能源动力学] 0703[理学-化学类] 0702[理学-物理学类] 

核心收录：

D　O　I：10.1007/s40843-022-2162-2

馆 藏 号：203114627...